From 4d2d625432e8fdaaaa33042f31ceb6071eef6809 Mon Sep 17 00:00:00 2001
From: nihuini <nihuini@tencent.com>
Date: Wed, 22 Jul 2020 16:44:39 +0800
Subject: [PATCH] fix avx2 build, second try, fix #1953

---
 src/layer/x86/cast_x86.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/layer/x86/cast_x86.cpp b/src/layer/x86/cast_x86.cpp
index 7b296052f..64a2b56db 100644
--- a/src/layer/x86/cast_x86.cpp
+++ b/src/layer/x86/cast_x86.cpp
@@ -22,6 +22,17 @@
 #endif // __AVX__
 
 #if __AVX__
+typedef union m128i
+{
+    __m128i vec;
+    uint16_t m128i_u16[8];
+} m128;
+
+typedef union m256i
+{
+    __m256i vec;
+    uint32_t m256i_u32[8];
+} m256;
 static inline __m256 bfloat2float_avx(__m128i v0)
 {
     __m128i zero = _mm_set1_epi32(0);